Huge speed disparity between windows/linux (bad for linux)
Linux - NetworkingThis forum is for any issue related to networks or networking.
Routing, network cards, OSI, etc. Anything is fair game.
Notices
Welcome to LinuxQuestions.org, a friendly and active Linux Community.
You are currently viewing LQ as a guest. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Registration is quick, simple and absolutely free. Join our community today!
Note that registered members see fewer ads, and ContentLink is completely disabled once you log in.
If you have any problems with the registration process or your account login, please contact us. If you need to reset your password, click here.
Having a problem logging in? Please visit this page to clear all LQ-related cookies.
Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use.
Exclusive for LQ members, get up to 45% off per month. Click here for more info.
"Broadband speed tests" are worthless. They send a relatively small amount of data from a single host, over a single route.
If I take one of these tests repeatedly over a 15 minute interval, there's about a 300% variation in the reported speed.
To properly test download speed, traceroute several high-bandwitdth (100Mb+) sites, and select 4 or 5 with the least common routes (aside from the connection through your ISP to your machine). Start a large (minimum of 500MB) download from each, at the same time. Monitor your aggregate bandwidth (gkrellm or similar interface monitor).
Also remember that M$ includes Qos scheduling which native linux doesn't. You need to add that yourself. The usual difference will be buffer congestion somewhere in between..
QoS only applies when there are multiple streams contending for bandwidth. Was there a high bandwidth activity going on on the Linux machine at the time you were attempting the test?
Then perhaps what you are measuring is an artifact of the java interpreter in each environment, and not a reflection of the actual bandwidth utilization.
Then perhaps what you are measuring is an artifact of the java interpreter in each environment, and not a reflection of the actual bandwidth utilization.
I was kind of thinking something along those lines...when in doubt, blame java
I'm looking for a non-java tester to test that theory.
Set it up to download a big iso.
Then add rate switches from something slow in steps upward until it flattens out.
Watch the rate indicator until it stabilises then Ctrl C to interrupt and try another rate..
eg
wget -c --limit-rate=20K http://server/*.iso
I ran the speed test you listed, and it reported 4Mb. I've confirmed that it is actually 8Mb using the method I described above. Since the "test" runs for only a couple of seconds, it has no value. In my case, it's report has a 100% error skew (at least).
Update: I ran a "test" at another site, and it reported 11Mb/s. Considering that my cable modem has a 10Mb/s interface, that really is impressive.
Last edited by macemoneta; 03-05-2006 at 04:06 PM.
LinuxQuestions.org is looking for people interested in writing
Editorials, Articles, Reviews, and more. If you'd like to contribute
content, let us know.